Blueberry Oatmeal Breakfast Bars

Blueberry Oatmeal Crumble Bars are a buttery, crumbly dessert packed with juicy blueberries and topped with a golden oat crumble. These easy-to-make bars are perfect for breakfast, snacking, or dessert and can be made with fresh or frozen blueberries.

Why You’ll Love This Recipe

• Buttery, crumbly texture with a sweet blueberry filling
• Quick and easy to make with simple ingredients
• Perfect for breakfast, dessert, or a snack
• Can be made ahead and stored for later
• Easily adaptable with different fruits or add-ins

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

For the Crust & Crumble Topping:

• Old-fashioned oats
• All-purpose flour
• Brown sugar
• Unsalted butter, melted
• Vanilla extract
• Cinnamon (optional)

For the Blueberry Filling:

• Fresh or frozen blueberries
• Granulated sugar
• Cornstarch
• Lemon juice

Directions

1. Preheat the oven: Set to 350°F (175°C) and line an 8×8-inch baking dish with parchment paper.
2. Make the crumble mixture: In a bowl, mix oats, flour, brown sugar, cinnamon, and melted butter until crumbly. Reserve ⅓ of the mixture for the topping.
3. Prepare the filling: In another bowl, toss blueberries with sugar, cornstarch, and lemon juice.
4. Assemble the bars: Press ⅔ of the oat mixture into the baking dish. Spread the blueberry filling over the crust, then sprinkle the reserved crumble mixture on top.
5. Bake: Bake for 35-40 minutes until golden brown and bubbly.
6. Cool & slice: Let cool completely before cutting into bars.

Servings and Timing

• Servings: 9-12 bars
• Prep Time: 10 minutes
• Cook Time: 40 minutes
• Total Time: 50 minutes

Variations

• Mixed Berry Bars: Use a blend of raspberries, blueberries, or blackberries.
• Gluten-Free: Swap flour for a gluten-free all-purpose blend.
• Nutty Crunch: Add chopped almonds or pecans to the topping.
• Healthier Version: Use coconut oil instead of butter and maple syrup instead of sugar.
• Chocolate Twist: Drizzle melted dark chocolate on top before serving.

Storage/Reheating

• Refrigeration: Store in an airtight container for up to 5 days.
• Freezing: Freeze individually wrapped bars for up to 2 months.
• Reheating: Enjoy at room temperature or warm in the microwave for a few seconds.

FAQs

Can I use frozen blueberries?

Yes, just thaw and drain excess liquid before using.

How do I prevent soggy bars?

Make sure to use cornstarch in the filling to help thicken the fruit mixture.

Can I make this dairy-free?

Yes, use coconut oil or vegan butter instead of regular butter.

Can I reduce the sugar?

Yes, use less sugar or replace it with honey or maple syrup.

Do I need to refrigerate these bars?

They’re fine at room temperature for a day but last longer in the fridge.

Can I add a glaze?

Yes! Drizzle with a simple powdered sugar and milk glaze for extra sweetness.

Can I double the recipe?

Yes, bake in a 9×13-inch pan and increase the baking time slightly.

Are these good for breakfast?

Absolutely! They’re similar to a fruit-filled oatmeal bar.

Can I use store-bought jam instead of fresh fruit?

Yes, but reduce the sugar since jam is already sweetened.

How do I get clean slices?

Chill before cutting and use a sharp knife for even bars.

Conclusion

Blueberry Oatmeal Crumble Bars are a delicious and easy-to-make treat that’s perfect for any occasion. With a buttery crust, sweet fruit filling, and crunchy topping, they’re a guaranteed crowd-pleaser. Try them today for a delightful homemade snack!

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